Amazon.com: Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers With Open-Back Earcups, Includes Balanced Cable, 2-Year Warranty (Black) : Electronics
Sennheiser
Sennheiser HD25 Plus Headphones — DJ TechTools
Amazon.com: Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers With Open-Back Earcups, Includes Balanced Cable, 2-Year Warranty (Black) : Electronics
Slovenia seems to have better mids than the hd600 : r/headphones
HD 569 – Sennheiser
Geekria Audio Cable with Mic Compatible with Sennheiser Momentum 4, PX
Sennheiser XSW IEM in-ear wireless set | M4 Music Store